Fig. 2From: Harnessing the energy transition from total dependence on fossil to renewable energy in the Arabian Gulf region, considering population, climate change impacts, ecological and carbon footprints, and United Nations’ Sustainable Development GoalsProven oil reserves (in billion barrels – Bbbl) in the Kingdom of Saudi Arabia (KSA) (in blue) and in Venezuela (in red) for the period of 1980–2016 [20]Back to article page